Use the net to find the surface area of the regular pyramid. I’ll mark brainliest if correct

What is the value of 1/3x + 7x when x = 5

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?